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Finding the Fourth Proportional to 6,451.70, 8,904.24 and 4,664.97

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Solution

The fourth proportional to 6,451.70, 8,904.24 and 4,664.97 is: 6,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.70 : 8,904.24 = 4,664.97 : x
  2. Step 2: Convert to fraction form
    6,451.70/8,904.24 = 4,664.97/x
  3. Step 3: Cross multiply
    6,451.70x = 8,904.24 × 4,664.97
  4. Step 4: Simplify right side
    6,451.70x = 41,538,012.47
  5. Step 5: Solve for x
    x = 41,538,012.47/6,451.70
  6. Step 6: Final answer
    x = 6,438.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.